Statistical Tests Quiz

What is the primary purpose of statistical tests?

• To collect data

• To determine the significance of differences between data sets

• To create data sets

• To visualize data

What type of data do parametric tests require?

• Categorical data

• Data that adheres to common assumptions

• Random data

• Visual data

What is the role of statistical tests in data analysis?

• To create data

• To determine significant differences

• To visualize data

• To store data

Which test is also known as the two-sample T-test?

• Independent T-test

• One Sample T-test

• ANOVA

• MANOVA

What does ANOVA analyze?

• The difference between the means of more than two groups

• The difference between two variables from the same population

• The mean of a single group

• The median of a dataset

What is the primary purpose of a Z-test?

• To determine if two population means are different

• To measure the strength of a linear relationship

• To compare two categorical variables

• To develop a null hypothesis

What does a correlation test check?

• If two population means are different

• If variables are related without a cause-and-effect relationship

• If the observed frequency is significantly different from expected

• If statistical significance exists in observations

What type of test is a Chi-square test?

• Parametric test

• Non-parametric test

• Z-test

• Correlation test

What does the Chi-square test compare?

• Two population means

• Two categorical variables

• The strength of a linear relationship

• The sample size

What does a Z-test require to be known?

• Sample size and variances

• Categorical variables

• Null hypothesis

• Research design